1 /*
2 Copyright (C) 2015 by Ronnie Sahlberg <sahlberg@gmail.com>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21
22 #include <CUnit/CUnit.h>
23
24 #include "iscsi.h"
25 #include "scsi-lowlevel.h"
26 #include "iscsi-test-cu.h"
27
28 void
test_writeatomic16_dpofua(void)29 test_writeatomic16_dpofua(void)
30 {
31 int gran, dpofua, usage_data_dpofua;
32 struct scsi_task *ms_task = NULL;
33 struct scsi_mode_sense *ms;
34 struct scsi_task *rso_task = NULL;
35 struct scsi_report_supported_op_codes_one_command *rsoc;
36
37 logging(LOG_VERBOSE, LOG_BLANK_LINE);
38 logging(LOG_VERBOSE, "Test WRITEATOMIC16 DPO/FUA flags");
39
40 CHECK_FOR_SBC;
41 CHECK_FOR_DATALOSS;
42
43 if (!inq_bl) {
44 CU_PASS("BlockLimits VPD is not available. Skipping test.\n");
45 return;
46 }
47
48 gran = inq_bl->atomic_gran ? inq_bl->atomic_gran : 1;
49
50 logging(LOG_VERBOSE, "Read the DPOFUA flag from mode sense data");
51 MODESENSE6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
52 SCSI_MODEPAGE_RETURN_ALL_PAGES, 0, 255,
53 EXPECT_STATUS_GOOD);
54
55 logging(LOG_VERBOSE, "[SUCCESS] Mode sense returned status GOOD");
56 ms = scsi_datain_unmarshall(ms_task);
57 dpofua = ms && (ms->device_specific_parameter & 0x10);
58 scsi_free_scsi_task(ms_task);
59
60 if (dpofua) {
61 logging(LOG_VERBOSE, "DPOFUA flag is set. Device should allow "
62 "DPO/FUA flags in CDBs");
63 } else {
64 logging(LOG_VERBOSE, "DPOFUA flag is clear. Device should fail "
65 "CDBs with DPO/FUA set");
66 }
67
68 logging(LOG_VERBOSE, "Test WRITEATOMIC16 with DPO==1");
69 memset(scratch, 0xa6, block_size);
70 if (dpofua) {
71 WRITEATOMIC16(sd, 0, gran * block_size,
72 block_size, 0, 1, 0, 0, scratch,
73 EXPECT_STATUS_GOOD);
74 } else {
75 WRITEATOMIC16(sd, 0, gran * block_size,
76 block_size, 0, 1, 0, 0, scratch,
77 EXPECT_INVALID_FIELD_IN_CDB);
78 }
79
80 logging(LOG_VERBOSE, "Test WRITEATOMIC16 with FUA==1");
81 if (dpofua) {
82 WRITEATOMIC16(sd, 0, gran * block_size,
83 block_size, 0, 0, 1, 0, scratch,
84 EXPECT_STATUS_GOOD);
85 } else {
86 WRITEATOMIC16(sd, 0, gran * block_size,
87 block_size, 0, 0, 1, 0, scratch,
88 EXPECT_INVALID_FIELD_IN_CDB);
89 }
90
91 logging(LOG_VERBOSE, "Test WRITEATOMIC16 with DPO==1 FUA==1");
92 if (dpofua) {
93 WRITEATOMIC16(sd, 0, gran * block_size,
94 block_size, 0, 1, 1, 0, scratch,
95 EXPECT_STATUS_GOOD);
96 } else {
97 WRITEATOMIC16(sd, 0, gran * block_size,
98 block_size, 0, 1, 1, 0, scratch,
99 EXPECT_INVALID_FIELD_IN_CDB);
100 }
101
102
103 logging(LOG_VERBOSE, "Try fetching REPORT_SUPPORTED_OPCODES "
104 "for WRITEATOMIC16");
105 REPORT_SUPPORTED_OPCODES(sd, &rso_task,
106 0, SCSI_REPORT_SUPPORTING_OPCODE,
107 SCSI_OPCODE_WRITE_ATOMIC16,
108 0,
109 65535,
110 EXPECT_STATUS_GOOD);
111
112 logging(LOG_VERBOSE, "Unmarshall the DATA-IN buffer");
113 rsoc = scsi_datain_unmarshall(rso_task);
114 CU_ASSERT_PTR_NOT_NULL_FATAL(rsoc);
115
116 usage_data_dpofua = rsoc->cdb_usage_data[1] & 0x18;
117 if (dpofua) {
118 logging(LOG_VERBOSE, "DPOFUA is set. Verify the "
119 "DPO/FUA flags are set in the CDB_USAGE_DATA");
120 if (!usage_data_dpofua) {
121 logging(LOG_NORMAL, "[FAILED] DpoFua not set "
122 "in CDB_USAGE_DATE");
123 CU_FAIL("DpoFua not set in CDB_USAGE_DATE");
124 }
125 } else {
126 logging(LOG_VERBOSE, "DPOFUA is clear. Verify the "
127 "DPO/FUA flags are clear in the CDB_USAGE_DATA");
128 if (usage_data_dpofua) {
129 logging(LOG_NORMAL, "[FAILED] DpoFua not clear "
130 "in CDB_USAGE_DATE");
131 CU_FAIL("DpoFua not clear in CDB_USAGE_DATE");
132 }
133 }
134
135 scsi_free_scsi_task(rso_task);
136 }
137